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  • MESO: Mesoscale Discussion 1300

    From COD Weather Processor@1:2320/105 to wx-storm@lists.illinois.edu on Thursday, August 16, 2018 00:59:47
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    ACUS11 KWNS 160059
    SWOMCD
    SPC MCD 160059
    NEZ000-160230-

    Mesoscale Discussion 1300
    NWS Storm Prediction Center Norman OK
    0759 PM CDT Wed Aug 15 2018

    Areas affected...Southwestern Nebraska

    Concerning...Severe Thunderstorm Watch 337...

    Valid 160059Z - 160230Z

    The severe weather threat for Severe Thunderstorm Watch 337
    continues.

    SUMMARY...Severe hail and locally strong wind gusts may remain
    possible another hour or two with isolated storms approaching the
    Kansas border, west through southwest of Kearney NE. Another severe
    weather watch is not anticipated.

    DISCUSSION...An isolated but sustained supercell continues to track
    southeast of the North Platte area, generally along and to the cool
    side of a thermal gradient generated by stronger differential
    surface heating and convective outflow. Activity has been
    undergoing fluctuations in intensity, but seems likely to finally
    weaken as it approaches the Kansas border area (southwest of
    Kearney), where the surface boundary will become increasingly
    diffuse with the loss of daytime heating.

    Otherwise, additional thunderstorm development might not be out of
    the question back to the west/northwest of the ongoing storms, in
    response to forcing associated with strengthening warm advection
    associated with a weak to modest nocturnal low-level jet. However,
    it currently appears that any such activity may remain isolated with
    severe hail/wind potential limited enough that another watch is not anticipated.

    ..Kerr.. 08/16/2018

    ...Please see www.spc.noaa.gov for graphic product...

    ATTN...WFO...GID...LBF...GLD...

    LAT...LON 40949989 40709926 40339898 40079975 40200099 41180219
    41750239 42080147 41939999 41350005 40949989



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